#include <iostream>
#include <memory>
#include <string>
#include <jsoncpp/json/json.h>

// 反序列化

int main()
{
    std::string str = R"({"姓名":"小黑","年龄":19,"成绩":[58.5,66,35.5]})";
    Json::Value root;

    Json::CharReaderBuilder crb;
    std::unique_ptr<Json::CharReader> cr(crb.newCharReader());
    std::string err;
    bool ret = cr->parse(str.c_str(), str.c_str() + str.size(), &root, &err);
    if (ret == false)
    {
        std::cout << "parse error:" <<err<<std::endl;
    }

    std::cout << "姓名：" << root["姓名"] << std::endl;
    std::cout << "年龄：" << root["年龄"] << std::endl;
    std::cout << "成绩：\n";

    int sz = root["成绩"].size();
    for (int i = 0; i < sz; i++)
    {
        std::cout << root["成绩"][i] << std::endl;
    }
    return 0;
}